#307CC5#307CC5

#307CC5 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.5% C 0.135 H 250.7°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#307CC5
RGB	rgb(48, 124, 197)
HSL	hsl(209, 61%, 48%)
HSV	hsv(209, 76%, 77%)
CMYK	cmyk(75.6%, 37.1%, 0%, 22.7%)
CIE-LAB	lab(50.77, 1.96, -44.66)
CIE-LCH	lch(50.77, 44.70, 272.51°)
OKLab	oklab(57.53% -0.0446 -0.1272)
OKLCH	oklch(57.53% 0.135 250.7)
XYZ	xyz(18.5008, 19.0728, 55.5189)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CC5 #C57930

analogous

#30C5C3 #307CC5 #3032C5

triadic

#307CC5 #C5307C #7CC530

tetradic

#307CC5 #C330C5 #C57930 #32C530

square

#307CC5 #C330C5 #C57930 #32C530

split-complementary

#307CC5 #C53032 #C5C330

monochromatic

#183E63 #245D94 #307CC5 #5B9AD7 #8CB9E3

Accessibility & contrast

On white

4.36

#307CC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#307CC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CC5

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CC5	#FFFFFF	#000000	##000000
##307CC5	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A80C8

Deuteranopia (green-blind)

#4473C4

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #307cc5;
/* rgb */ color: rgb(48, 124, 197);
/* oklch */ color: oklch(57.5% 0.135 250.7);

Tailwind

colors: {
  custom: {
    50: '#7da1d7',
    500: '#307cc5',
    950: '#000000',
  },
}

SCSS

$custom: #307cc5;
$custom-light: #7da1d7;
$custom-dark: #000000;

JSON

{
  "hex": "#307cc5",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 197
  },
  "hsl": {
    "h": 209.396,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57529,
    "c": 0.13481,
    "h": 250.7
  },
  "luminance": 0.19075
}

Semantic roles & 50–950 ramp

primary

#307CC5

secondary

#CDA884

accent

#9244E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #307CC5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →